v3.24.2
Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive (Loss) by Component (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
AOCI Attributable to Parent [Roll Forward]    
Beginning balance $ 4,416,985 $ 3,804,447
Other comprehensive income (loss) before reclassifications (64,642) 17,052
Amounts reclassified from accumulated other comprehensive loss 5,775 3,633
Other comprehensive income (loss), net of income taxes (58,867) 20,685
Ending balance 4,556,123 4,085,794
Pension and Other Post-Retirement Benefits    
AOCI Attributable to Parent [Roll Forward]    
Beginning balance (517,941) (506,610)
Other comprehensive income (loss) before reclassifications 0 0
Amounts reclassified from accumulated other comprehensive loss 5,775 3,826
Other comprehensive income (loss), net of income taxes 5,775 3,826
Ending balance (512,166) (502,784)
Cash Flow Hedges    
AOCI Attributable to Parent [Roll Forward]    
Beginning balance 0 (2,572)
Other comprehensive income (loss) before reclassifications 0 2,765
Amounts reclassified from accumulated other comprehensive loss 0 (193)
Other comprehensive income (loss), net of income taxes 0 2,572
Ending balance 0 0
Foreign Currency Translation    
AOCI Attributable to Parent [Roll Forward]    
Beginning balance (458,931) (523,360)
Other comprehensive income (loss) before reclassifications (64,642) 14,287
Amounts reclassified from accumulated other comprehensive loss 0 0
Other comprehensive income (loss), net of income taxes (64,642) 14,287
Ending balance (523,573) (509,073)
Total    
AOCI Attributable to Parent [Roll Forward]    
Beginning balance (976,872) (1,032,542)
Ending balance $ (1,035,739) $ (1,011,857)